Sigma 24-70mm f/2.8 DG DN II Art Lens for L Mount, Bundle with Pro Filter Kit

Lens construction: 19 elements in 15 groups (6 FLD, 2 SLD, 5 aspherical elements) Inner focus system Compatible with high-speed autofocus HLA (High-response Linear Actuator) Compatible with Lens Aberration Correction Supports DMF and AF+MF Nano Porous Coating Super Multi-Layer Coating Water- and Oil-Repellent Coating (front element) Aperture ring Aperture ring click switch Aperture ring lock switch AFL button (2 buttons) Focus Mode switch Support for switching between linear and non-linear focus ring settings (for L-Mount only) Dust- and Splash-Resistant Structure Petal-type hood with lock LH875-05 Compatible with SIGMA USB DOCK UD-11 (sold separately / for L-Mount only) Designed to minimize flare and ghosting Every single lens undergoes SIGMA's proprietary MTF measuring system 11-blade rounded diaphragm High-precision, durable brass bayonet mount Mount Conversion Service available 'Made in Aizu, Japan' craftsmanship